For $29.99 a month, a website called PimEyes offers a potentially dangerous superpower from the world of science fiction: The ability to search for a face, finding obscure photos that would otherwise have been as safe as the proverbial needle in the vast digital haystack of the internet.
A search takes mere seconds. You upload a photo of a face, check a box agreeing to the terms of service and then get a grid of photos of faces deemed similar, with links to where they appear on the internet. The New York Times used PimEyes on the faces of a dozen